Domingo de Guzman

1170 - Was born in Caleruega, half-way between Osma and Aranda in Old Castile, Spain.

1194 - He became a canon regular, in the diocese of Osma, under the rule of Saint Augustine.

1203-1204 - He accompanied the bishop of Osma, Diego de Acebo, on a diplomatic mission for Alfonso VIII, king of Castile, in order to secure a bride in Denmark for crown prince Ferdinand.

1205 - Travel again to Denmark and finding that the intended bride had died, Diego and Dominic returned by way of Rome and Citeaux.

1206 - With the help of bishop Foulques of Toulouse, and thanks to the generosity of Guillaume and Raymonde Claret, Diego and Dominic were able to set up a first monastic community at Prouille near Carcassonne, intended largely as a refuge for women who had previously lived in Cathar religious houses.

1207 - He took part in the last large scale public debate between Cathars and Catholics, at Pamiers.

1208 - He encountered the papal legates returning in pomp to Rome, foiled in their attempt to crush the growing sect.

1215 - He established himself, with six followers, in a house given by Pierre Seila, a rich resident of Toulouse.

1216 - Returned to Rome a year later, and was finally granted written authority in December.

1218 - He saw immediately that this university city was most convenient as his center of activity.
 

1221 - He died at his monastery at Bologna, on the 6th of August.